Electro Magnetic Induction And Alternating Currents Question 205
Question: A resistor ‘R’ and capacitor in series is connected through a switch to 200 V direct supply. Across the capacitor is a neon bulb that lights up at 120 V. Calculate the value of R to make the bulb light up 5 s after the switch has been closed,
Options:
A)
B)
C)
D)
Show Answer
Answer:
Correct Answer: B
Solution:
-
We have,
in